Swap out the leaking radiator in your 2007.5-2010 Chevy/GMC 6.6L LMM Duramax with a new durable replacement. A radiator is a type of heat exchanger that has hot coolant flowing through it, the outside air passes over the radiator fins and allows heat to dissipate. Shop now at XDP and make sure your cooling system and radiator can handle the heat! Over time your stock radiator will need to be replaced either due to leaking, becoming clogged up, or the plastic inlets and outlets can break from constant clamp pressure. Get the high-quality replacement Radiator your vehicle needs from manufacturers including XDP X-TRA Cool, Mishimoto, CSF, AFE, and Flex-A-Lite.